3735G18:248三·.84KB/s第三部分 语言运用（共两节，满分30分)第一节（共15小题；每小题1分，满分15分）阅读下面短文，从每题所给的A、B、C、D 四个选项中选出最佳选项。Courtney Crawford, a barista （ 咖 啡非师i ） , was working her morning shift when she sawa(n) 41 customer in line at 5 a.m. The woman could hardly kcep her eyes open, so Courtneyadded her a free cookie decorated with a hand-drawn smiley face to her order — small 42that unexpectedly changed her own life.When her work ended, Courtney's manager delivered a note from the customer: “Dearsunshine barista -- Your kindness43such warmth."' Folded inside were two $100 bills with the nice. You've 46 it."The timing couldn't have been more47.Courtney, struggling with both grief （悲痛）and medical bills had been working two jobs since her mother48 the previous summer.Through tears in a later YouTube video, she I au sn mm, su noy uend y atcan finally afford a resting place for Mom at the cemetery."50, the story didn't end there. Her video on social media went viral, receiving 3 millionviews. Strangers shared their similar stories of 51 in the comments, while others sentdonations.52 Courtney launched a fundraiser that eventually raised $15,000 for localfamilies facing similar53(u)e sem 1 - u!8 e isn! 1.usem 00zs 1eu,. of kindness," Courtney reflects. “Now54I understand how one small act can grow to light up whole 55”41. A. red-faced B. absent-minded C. angry-lookingD. tired-looking42. A.actB. dealC. habitD. excuse43. A. occupied B. proved C. brightenedD. lengthened44. A. regularlyB. hardlyC. graduallyD. eventually45. A. warmingsB. promises C. instructionsD. introductionsB. kept46.A.madeC. desiredD. earned47. A. flexibleB. meaningfulC. convenientD. unexpected48. A. fellilB. tripped over C. passed away D. moved out49. A. sharedB. admittedC.whispered D. postponed 50. A. In closing B. In addition C. As a result D. As a matter of fact51. A. fearB. lossC.regret D.loneliness 52. A. InspiredB.ShockedC. Relieved D. Disappointed53. A. failuresB. diseasesC. difficulties D. emergencies54. A. proofB. seedC. rewardD. expression 55. A. familiesB. organizationsC. generationsD. communities第二节（共10小题；每小题1.5分，满分15分）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 China's silver tourism markct is growing rapidly, with elderly travelers actively seeking morevaried and high-end 56 (experiencc) than ever before. Recent data show that a total of45 million trips57 (make) by tourists aged 60 and above so far this year, marking'h isei pouad sus oy m peduos ssearou %sWhat surprises industry experts most is seniors’ growing interest in adventure. Many are7Pyw存网盘页面管理转Word笔记标注
ATake a picture of the tree.B. Research into the tree.A. It was desC.Walk around the tree.B. It has the20. What is the speaker doing?C.Its imageTeaching a class.D. It was bu第二部分B.Performing magic tricks.阅读（共两节，满分50分）C.Exploring the rainforest.A.LibraryC.Library1'm InesAAmazing libraries in the worldprofit wildlifWhen Itake me tosare like bigthat we shohowler moFor tla region infrom elecIevaluaturban ardatabase.documeBodleian LibrariesOxford, United KingdomAltEstablished in 1602 as Oxford University's libraries, the Bodleian Libraries is one of theknow toldest libraries in Europe. Though the Bodleian Libraries comprises multiple buildings,averagperhaps the most visually interesting is Radcliffe Camera. As the earliest circular (圆形的)I'library in England, it appeared in multiple movies.can thLibrary of ParliamentOttawa,Canadato corThe Library of Parliament holds a special distinction on our list, as it is the only librarycamewhose likeness is printed on the country's ten dollar bill. Constructed in 1876, the design ofdecrthis national landmark was inspired by the British Museum's Reading Room. The collection24.includes more than 60o, 0oo items. While access to the facility is generally restricted toCanadian parliamentary （议会的) business, tours are often made available to the public.21. What can the public do in the Library of Congress?A. Check out books.B. Conduct a tour of the library.25C.Read some of its holdings onlineD.Interview government officials on site.【高三英语第3页（共10页）】
1、安徽省芜湖市2024-2025学年度第一学期九年级素质教育评估试卷政治试题1、安徽省芜湖市2024-2025学年度第一学期九年级素质教育评估试卷政治答案1、明思教育·2024-2025学年度第一学期教学质量检测二历史试题
出吸得分评卷人23.小明利用和单位。）80℃，如气的热值整。烧(1)热量；(22.50元条即现（第21题图）为4.2×103J/（kg·°℃），酒精的热值约为3x107J/kg。求：（1）酒精完全燃烧产生的热量；（2）经过6min时间加热，水所吸收的热量；（3）酒精炉烧水时的热效率；42%（4）若改用煤气来加热这些水，需要完全燃烧煤气的质量。（煤气的热值为4.2×10J/kg，Kc温度/℃假设煤气燃烧放出的热量全部被水吸收）0、6×1080Q=m970(1)=2kgx3X10”]/kg50=6X107]206时间/min（第22题图）（3）12)Q=（mt4、2x10²(kg.℃）x10kgx（80℃-20℃）4.2X103X10X102.52X10°
1、河北省2024-2025学年第一学期阶段性学业检测一（九年级）化学试题1、河北省2024-2025学年第一学期阶段性学业检测一（九年级）数学试题1、河南省2024-2025学年度第一学期九年级第一次学情分析数学试题2、名校调研系列•吉林省2025-2026学年八年上期中测试①[省命题]物理试题1、安徽省芜湖市2024-2025学年度第一学期九年级素质教育评估试卷政治试题1、安徽省芜湖市2024-2025学年度第一学期九年级素质教育评估试卷政治答案
的关系（i和ii）：i.0.10mol·L-的H2C2O溶液中，各物种（H2C2O、HC2O、C2O²-）的lgmol·L-i与pH的关系；c(Ca²+与pH的关系。ii.含CaC2O（s）的0.10mol·L-1Na2C2O4溶液中，lgmol·L-1O下列说法错误的是(4.27,-1.50)①C(HCO)与pH的关系A.曲线③表示lg(2.77,-2.63)2B.常温下，H2C2O4的K=10-1.13③C.常温下，pH=3时，HC2O4溶液中c（HC2O）6P(2.77,-6.00)4>c（CO²-)>c（HCO)345D.向（ii）中的溶液中增加CaCO4（s），衡后溶pH液中H2C2O4、HC2O、CO²的浓度之和不变二、非选择题：本题共4小题，共58分。15.（14分）钻的配合物[Co（NH）。]Cl，难溶于乙醇，稍溶于水，常温下较稳定，强热时部分分解。实验室可用CoCl2·6H2O作原料来制备[Co（NH）。]Cl。具体制备步骤如下：步骤1：在如图装置中经过下列操作得到含粗产品的混合物。3.0g CoCl2·6HO加热溶解冷却冷却至10℃水浴加热至60℃2.0g NH.CI悬浊液混合物再加人加人缓慢加人恒温下7mL蒸馏水0.2g活性炭10mL浓氨水8mL6%的搅拌20minHO2溶液涤、干燥，称量。已知：[Co（NH）。]+具有较强的还原性；Co+的氧化性比H2O2和O2的都强。浓氨水一双氧水CoCI和INHCI的混合液请回答下列问题：（1）仪器a的名称为【高三化学第5页（共8页）】
1、甘肃省2025~2026学年度第一学期周期学业能力评鉴九年级（C）政治试题1、定边四中2024~2025学年第一学期高二期中考试[25-T-260B]地理试题1、定边四中2024~2025学年第一学期高二期中考试[25-T-260B]地理试2、2024年甘肃省一月份高考诊断考试地理试题1、甘肃省2024届新高考备考模拟考试（243014Z）z物理考试试卷-2、［甘肃大联考］甘肃省2024届高三阶段检测10月联考生物试卷答案
过程。调节的激素引物3和吸TACTCC5'3'ACGTCC尼古摄入量（mgkg）35ATGACG3'5'TGCACG集合管1.25引物4#宝合#中自品3FACTCC5野生型大鼠产生物1.00-编码nMag的基因式金证（）·突变型大鼠mRi0.75-实回#（0.50-ACGTCCTGCACG0.25-00.0030.010.030.090.18编码T7RNAPN端-nMag的融合基因尼古丁注射量/（mg/kg）合中城立图1图2启动子①基因1终止子启动子②基因2终止子启动子③基因3终止子氯霉素抗性基因（1）图1表示尼古丁影响人体某些生命活动的机制。由图可知，尼古丁引起脂肪细胞注：基因1编码酪氨酸酶，酪氨酸酶可催化酪氨酸形成能够与纤维素结合的黑色素产热增加的调节方式为定，尼古丁与POMC神经元膜上的受体结合后，Na内流基因2为T7RNAPN端-nMag基因，基因3为pMag-T7RNAPC端基因。的方式是文三。吸烟者体重下降是一种常见的现象，请结合图1解释引起该现象的图2可能原因是：（1）PCR扩增目的基因时，反应体系中需添加含Mg2的缓冲液，Mg的作用（2）尼古丁与脑特定神经元膜受体结合会激活“尼古丁厌恶反应”。大量摄入尼古丁是。常采用技术来鉴定PCR产物的特异性。会引起血糖升高现象，血糖浓度过高又会抑制脑特定神经元的“尼古丁厌恶反应”活动，这类（2）研究人员利用PCR技术实现编码T7RNAPN端的基因下游序列与编码nMag的基因种调节机制属于，由此判断，患糖尿病的吸烟者戒烟更美中（填“容易”上游序列的无缝连接，获得编码T7RNAPN端-nMag的融合基因，由图1可知，引物2的12或“困难”）#回个碱基序列为53，如此设计引物2的目的是。用同样的方法获（3）研究大鼠发现，其大脑的nHb区中RCTK2基因表达量与尼古丁摄人调控密切相关。得编码pMag-T7RNAPC端的融合基因。向野生型大鼠和RCTK2基因敲除的突变型大鼠注射不同剂量的尼古丁后，测定尼古丁主动摄（（3）图2中构建基因表达载体时需人工构建的诱导型启动子是，将构建人量，实验结果如图2。好的载体导人纤维素生产菌前，用Ca处理受体细胞的目的是。为筛选出能够①尼古丁可与乙酰胆碱受体（AChR）结合，引起多巴胺释放，产生愉悦感。长期大量吸生产黑色纤维素薄膜的工程菌，培养基中应添加烟的人，AChR的敏感性降低。由图2分析可知，RCTK2基因可以提高AChR对尼古丁的敏感性理由是②在尼古丁大量摄人的突变体大鼠体内，研究者并没有检测到血糖升高的现象，由此可豆旅香阳#常#得出的结论是21.（14分）SRCMO9研究人员计划开发一种由光照控制生产过程的智能材料。他们选用一株酪氨酸合成缺陷型（不能自身合成酪氨酸）的纤维素生产菌作为受体，并利用了一套蓝光诱导的蛋白质二聚导人受体菌，获得了所需的工程菌。高三生物学试题第8页（共9页）高三生物学试题第9页（共9页）
1、定边四中2024~2025学年第一学期高二期中考试[25-T-260B]地理试题1、定边四中2024~2025学年第一学期高二期中考试[25-T-260B]地理试题1、保定市金太阳2023-2024学年第二学期高二期末调研考试(♬)地理试题
